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Given a relation is in 3NF, Which of the following can be inferred from this?
  • a)
    Each non key attribute is determined by the super key
  • b)
    Every determinant is a candidate key
  • c)
    All attribute included in the primary key
  • d)
    None of the above
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
Given a relation is in 3NF, Which of the following can be inferred fro...
Each non key attribute is determined by the super key,
A relation C-> D is in 3NF if,
1) C is a super key
or
2) D is a prime attribute
If D is a non prime attribute then C must be a super key.
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Given a relation is in 3NF, Which of the following can be inferred from this?a)Each non key attribute is determined by the super keyb)Every determinant is a candidate keyc)All attribute included in the primary keyd)None of the aboveCorrect answer is option 'A'. Can you explain this answer?
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